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The angles of a quadrilateral are respec...

The angles of a quadrilateral are respectively `100^@,98^@, 92^@` Find the fourth angle.

Text Solution

Verified by Experts

The fourth angle of quadrilateral `=360^@-(100^@+98^@+92^@)`
`=360^@-290^@`
`=70^@`
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Knowledge Check

  • Three angles of aquadrilateral are respectively 100^(@),98^(@),92^(@). Find the fourth angle.

    A
    `50^(@)`
    B
    `70^(@)`
    C
    `60^(@)`
    D
    `80^(@)`

  • Three angles of a quadrilateral are 75^(@),90^(@) and 75^(@) , then the fourth angle is

    A
    `90^(@)`
    B
    `95^(@)`
    C
    `105^(@)`
    D
    `120^(@)`

  • Assertion (A) : If three angles of a quadrilateral are 130^@,70^@ and 60^@ then the fourth angle is 100^@ Reason(R) : The sum of all the angle of a quadrilateral is 360^@ The correct answer is : (a) /(b)/(c )/(d).

    A
    Both Assertion (A) and Reason (R ) are true and Reaoson (R ) is a correct explanation of Assertion (A) .
    B
    Both Assertion (A) and Reason (R ) are true but Reason (R ) is not a correct explanation of Assertion (A).
    C
    Assertion (A) is true and Reason (R ) is false.
    D
    Assertion (A) is false and Reason (R ) is true.

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    The angles of a quadrilateral are 100^(@),98^(@) and 92^(@) respectively. Find the fourth angle.

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